Question

1. describe another example of a feedback mechanism in the body that helps maintain homeostasis.
2. please provide your own example of how a feedback mechanism helps maintain homeostasis.

Explanation:

Blood glucose regulation is a feedback mechanism. When blood glucose rises (stimulus), the pancreas releases insulin (response). Insulin causes cells to take in glucose, lowering blood glucose. When blood glucose is low, the pancreas releases glucagon. Glucagon causes the liver to release stored glucose, raising blood glucose. This negative - feedback loop maintains blood glucose homeostasis.

Answer:

Blood glucose regulation. When blood glucose levels rise, the pancreas secretes insulin. Insulin signals cells (like liver, muscle, and fat cells) to take up glucose. Liver and muscle cells store glucose as glycogen, and fat cells store it as fat. This lowers blood glucose levels. When blood glucose is low (e.g., after fasting), the pancreas secretes glucagon. Glucagon acts on the liver to break down glycogen into glucose and release it into the bloodstream, raising blood glucose levels. This negative - feedback loop keeps blood glucose within a normal range, which is essential for the body's cells (especially brain cells) to function properly.